Format-Xml.ps1
|
function Format-Xml { <# .SYNOPSIS Format and indent an XML file or string for better deadability .PARAMETER Name XML file to format .PARAMETER Overwrite Overwrite the XML file .PARAMETER Xml XML string to format: must be on one line .EXAMPLE Format-Xml -Xml '<one><two/></one>' <?xml version="1.0" encoding="utf-16"?> <one> <two /> </one> #> [CmdletBinding(DefaultParameterSetName = 'file')] param ( [parameter(Mandatory, ValueFromPipelineByPropertyName, ValueFromPipeline, ParameterSetName = 'file', Position = 1)] [ValidateScript( { $_ | ForEach-Object { Test-Path $_ }})] [Alias('Fullname', 'Name')] [string[]]$FileName, [parameter(ParameterSetName = 'file')] [switch]$Overwrite, [parameter(ParameterSetName = 'xml')] [string]$Xml ) process { foreach ($file in $FileName) { $file = Resolve-Path -Path $file Write-Verbose $file $x = [xml]([System.IO.File]::ReadAllText($file)) $x.PreserveWhitespace = $true $settings = [System.Xml.XmlWriterSettings]::new() $settings.Indent = $true $settings.Encoding = [System.Text.UTF8Encoding]::new($false) if ($Overwrite) { $w = [System.Xml.XmlWriter]::Create($file, $settings) try { $x.Save($w) } catch { Write-Error $_ } finally { $w.Dispose() } } else { $w = [System.Xml.XmlWriter]::Create([console]::Out, $settings) $x.Save($w) $w.Dispose() } } if (!([string]::IsNullOrWhiteSpace($Xml))) { $document = [System.Xml.XmlDocument]::new() $stringReader = [System.IO.StringReader]::new($Xml) $document.Load($stringReader) $document.PreserveWhitespace = $true $builder = [System.Text.StringBuilder]::new() $stringWriter = [System.IO.StringWriter]::new($builder) $writer = [System.Xml.XmlTextWriter]::new($stringWriter) $writer.Formatting = [System.Xml.Formatting]::Indented $writer.Indentation = 2 $document.Save($writer) $builder.ToString() } } } |